Search (4152 results, page 1 of 208)

  1. Zeng, Q.; Yu, M.; Yu, W.; Xiong, J.; Shi, Y.; Jiang, M.: Faceted hierarchy : a new graph type to organize scientific concepts and a construction method (2019) 0.14 
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    Abstract
    On a scientific concept hierarchy, a parent concept may have a few attributes, each of which has multiple values being a group of child concepts. We call these attributes facets: classification has a few facets such as application (e.g., face recognition), model (e.g., svm, knn), and metric (e.g., precision). In this work, we aim at building faceted concept hierarchies from scientific literature. Hierarchy construction methods heavily rely on hypernym detection, however, the faceted relations are parent-to-child links but the hypernym relation is a multi-hop, i.e., ancestor-to-descendent link with a specific facet "type-of". We use information extraction techniques to find synonyms, sibling concepts, and ancestor-descendent relations from a data science corpus. And we propose a hierarchy growth algorithm to infer the parent-child links from the three types of relationships. It resolves conflicts by maintaining the acyclic structure of a hierarchy.
    Content
    Vgl.: https%3A%2F%2Faclanthology.org%2FD19-5317.pdf&usg=AOvVaw0ZZFyq5wWTtNTvNkrvjlGA.
  2. Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004) 0.11 
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    Content
    Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
    Date
    8. 1.2013 10:22:32
  3. Knauth, M.: Bibliographies made easy : a look at PRO-CITE (1989) 0.11 
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    Abstract
    The PRO-CITE and BIBLIO-LINK software packages make the process of compiling bibliographies and internal data bases much easier than when all the steps in the process were manual (compiling, typing). The 2 programs work on records that have been downloaded from on-line data bases. BIBLIO-LINK analyses the downloaded records to determine document type and stores the data in the appropriate PRO-CITE workform, putting fields from the downloaded record into the correct PRO-CITE fields.
    Object
    BIBLIO-LINK
    Source
    Computers in libraries. 9(1989) no.4, S.22-24
  4. Verwer, K.: Freiheit und Verantwortung bei Hans Jonas (2011) 0.10 
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    Content
    Vgl.: http%3A%2F%2Fcreativechoice.org%2Fdoc%2FHansJonas.pdf&usg=AOvVaw1TM3teaYKgABL5H9yoIifA&opi=89978449.
  5. Fachsystematik Bremen nebst Schlüssel 1970 ff. (1970 ff) 0.09 
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    Content
    1. Agrarwissenschaften 1981. - 3. Allgemeine Geographie 2.1972. - 3a. Allgemeine Naturwissenschaften 1.1973. - 4. Allgemeine Sprachwissenschaft, Allgemeine Literaturwissenschaft 2.1971. - 6. Allgemeines. 5.1983. - 7. Anglistik 3.1976. - 8. Astronomie, Geodäsie 4.1977. - 12. bio Biologie, bcp Biochemie-Biophysik, bot Botanik, zoo Zoologie 1981. - 13. Bremensien 3.1983. - 13a. Buch- und Bibliothekswesen 3.1975. - 14. Chemie 4.1977. - 14a. Elektrotechnik 1974. - 15 Ethnologie 2.1976. - 16,1. Geowissenschaften. Sachteil 3.1977. - 16,2. Geowissenschaften. Regionaler Teil 3.1977. - 17. Germanistik 6.1984. - 17a,1. Geschichte. Teilsystematik hil. - 17a,2. Geschichte. Teilsystematik his Neuere Geschichte. - 17a,3. Geschichte. Teilsystematik hit Neueste Geschichte. - 18. Humanbiologie 2.1983. - 19. Ingenieurwissenschaften 1974. - 20. siehe 14a. - 21. klassische Philologie 3.1977. - 22. Klinische Medizin 1975. - 23. Kunstgeschichte 2.1971. - 24. Kybernetik. 2.1975. - 25. Mathematik 3.1974. - 26. Medizin 1976. - 26a. Militärwissenschaft 1985. - 27. Musikwissenschaft 1978. - 27a. Noten 2.1974. - 28. Ozeanographie 3.1977. -29. Pädagogik 8.1985. - 30. Philosphie 3.1974. - 31. Physik 3.1974. - 33. Politik, Politische Wissenschaft, Sozialwissenschaft. Soziologie. Länderschlüssel. Register 1981. - 34. Psychologie 2.1972. - 35. Publizistik und Kommunikationswissenschaft 1985. - 36. Rechtswissenschaften 1986. - 37. Regionale Geograpgie 3.1975. - 37a. Religionswissenschaft 1970. - 38. Romanistik 3.1976. - 39. Skandinavistik 4.1985. - 40. Slavistik 1977. - 40a. Sonstige Sprachen und Literaturen 1973. - 43. Sport 4.1983. - 44. Theaterwissenschaft 1985. - 45. Theologie 2.1976. - 45a. Ur- und Frühgeschichte, Archäologie 1970. - 47. Volkskunde 1976. - 47a. Wirtschaftswissenschaften 1971 // Schlüssel: 1. Länderschlüssel 1971. - 2. Formenschlüssel (Kurzform) 1974. - 3. Personenschlüssel Literatur 5. Fassung 1968
  6. Jascó, P.: General encyclopedias on CD-ROM : a look at the 1995 editions (1995) 0.09 
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    Source
    Link-up. 12(1995) no.3, S.20-22
  7. Landry, P.: MACS: multilingual access to subject and link management : Extending the Multilingual Capacity of TEL in the EDL Project (2007) 0.09 
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    Content
    Vortrag anlässlich des Workshops: "Extending the multilingual capacity of The European Library in the EDL project Stockholm, Swedish National Library, 22-23 November 2007".
  8. Burgin, R.: ¬The retrieval effectiveness of 5 clustering algorithms as a function of indexing exhaustivity (1995) 0.09 
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    Abstract
    The retrieval effectiveness of 5 hierarchical clustering methods (single link, complete link, group average, Ward's method, and weighted average) is examined as a function of indexing exhaustivity with 4 test collections (CR, Cranfield, Medlars, and Time). Evaluations of retrieval effectiveness, based on 3 measures of optimal retrieval performance, confirm earlier findings that the performance of a retrieval system based on single link clustering varies as a function of indexing exhaustivity but fail ti find similar patterns for other clustering methods. The data also confirm earlier findings regarding the poor performance of single link clustering is a retrieval environment. The poor performance of single link clustering appears to derive from that method's tendency to produce a small number of large, ill defined document clusters. By contrast, the data examined here found the retrieval performance of the other clustering methods to be general comparable. The data presented also provides an opportunity to examine the theoretical limits of cluster based retrieval and to compare these theoretical limits to the effectiveness of operational implementations. Performance standards of the 4 document collections examined were found to vary widely, and the effectiveness of operational implementations were found to be in the range defined as unacceptable. Further improvements in search strategies and document representations warrant investigations
    Date
    22. 2.1996 11:20:06
  9. Horikoshi, K.; Sugita, S.; Nonaka, Y.; Kamiya, S.; Sugita, I.; Asoshina, H.: junii2 and AIRway : an application profile for scholarly works and its application for link resolvers (2008) 0.08 
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    Abstract
    A large number of scholarly works is self-archived at the university's Open Access repositories. Researchers can search these materials using general web search engines such as Google, as well as with OAI-PMH-based search engines such as OAIster (http://www.oaister.org/). The archives can also be accessed using federated search services such as MetaLib by setting the repositories as a search target. However, it remains difficult for researchers to access materials in these repositories using standard academic databases such as Thomson Reuters' Web of Science. The National Institute of Informatics (NII) in Japan has developed a DC application profile called junii2 (http://ju.nii.ac.jp/oai/junii2.xsd) for scholarly works. The AIRway Project (Access path to Institutional Resources via link resolvers) has used this profile to develop a new way of connecting university repositories with academic databases via link resolvers. junii2 is designed as an OpenURL-compliant schema (info:ofi/fmt:xml:xsd:journal), and has now been widely adopted by more than 70 university repositories in Japan. A particular feature is its ability to describe variant self-archived materials with a version description function (specifying whether it is an author's draft or the final published version) and information on the availability of the full text in the repository. AIRway is an internet server that harvests metadata from university repositories. After harvesting metadata, AIRway separates the metadata of materials whose full texts are available in the repositories from others. A link resolver sends an OpenURL request to the AIRway server before creating its navigation window. If metadata of the requested material are found in the AIRway server and the material's full text is available in a repository, the AIRway server provides the xml for the metadata of the material to the link resolver. Rather than being a new service system for end users, it is a back-end knowledgebase for existing link resolvers. 1CATE (OCLC's link resolver) and some installations of SFX (Ex Libris' link resolver) now use AIRway as one of their knowledgebases. In this way, junii2 and AIRway make Open Access scholarly works in university repositories accessible through general academic databases. This will be particularly effective if, for example, someone without a license to access an electronic journal finds a research paper on the journal in the search results of an academic database. The AIRway Project is funded by the NII Institutional Repositories Program (http://www.nii.ac.jp/irp/en/).
    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  10. Kleineberg, M.: Context analysis and context indexing : formal pragmatics in knowledge organization (2014) 0.08 
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    Source
    http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja
  11. Baeza-Yates, R.; Boldi, P.; Castillo, C.: Generalizing PageRank : damping functions for linkbased ranking algorithms (2006) 0.08 
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    Abstract
    This paper introduces a family of link-based ranking algorithms that propagate page importance through links. In these algorithms there is a damping function that decreases with distance, so a direct link implies more endorsement than a link through a long path. PageRank is the most widely known ranking function of this family. The main objective of this paper is to determine whether this family of ranking techniques has some interest per se, and how different choices for the damping function impact on rank quality and on convergence speed. Even though our results suggest that PageRank can be approximated with other simpler forms of rankings that may be computed more efficiently, our focus is of more speculative nature, in that it aims at separating the kernel of PageRank, that is, link-based importance propagation, from the way propagation decays over paths. We focus on three damping functions, having linear, exponential, and hyperbolic decay on the lengths of the paths. The exponential decay corresponds to PageRank, and the other functions are new. Our presentation includes algorithms, analysis, comparisons and experiments that study their behavior under different parameters in real Web graph data. Among other results, we show how to calculate a linear approximation that induces a page ordering that is almost identical to PageRank's using a fixed small number of iterations; comparisons were performed using Kendall's tau on large domain datasets.
    Date
    16. 1.2016 10:22:28
  12. Conhaim, W.W.: Search tools (1996) 0.07 
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    Date
    1. 8.1996 22:39:31
    Source
    Link-up. 13(1996) no.1, S.5,40-41
  13. Fewtrell, B.: audio description : Accessing visual media (1997) 0.07 
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    Source
    Link-up. 14(1997) no.2, S.22
  14. Bourne, R.: MARC harmonization : progress and problems (1997) 0.07 
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    LASER link. 1997, Spring/Summer, S.22-24
  15. Spertus, E.: ParaSite : mining structural information on the Web (1997) 0.07 
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    Abstract
    Discusses the varieties of link information on the WWW, how the Web differs from conventional hypertext, and how the links can be exploited to build useful applications. Specific applications presented as part of the ParaSite system find individuals' homepages, new locations of moved pages and unindexed information
    Date
    1. 8.1996 22:08:06
  16. Wesch, M.: Web 2.0 ... The Machine is Us/ing Us (2006) 0.07 
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    Content
    Final version now available! http://youtube.com/watch?v=NLlGopyXT_g http://mediatedcultures.net A higher quality version is available for download here: http://www.mediafire.com/?6duzg3zioyd. Please note that this is the second draft and the final version will not be available until late February after I review all comments and revise the video. Please return for a new download link at that time.
    Date
    5. 1.2008 19:22:48
  17. Wu, I.-L.; Lin, H.-C.: ¬A strategy-based process for implementing knowledge management : an integrative view and empirical study (2009) 0.07 
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    Abstract
    Knowledge resource is unique and valuable for a link to competitive advantage based on the knowledge-based perspective. Effective knowledge management is the major concern of contemporary business managers. The key determinant of effective knowledge management is the firm's competitive strategy. The link between business strategy and knowledge management, while often discussed, has been widely ignored in practice. Moreover, while knowledge management is complex in nature, it is difficult to directly translate a firm's competitive strategy into the specific knowledge management activities. This requires first defining knowledge strategy to guide further information technology (IT)-supported implementation approaches. Finally, the ultimate goal of knowledge management lies in the realization of firm performance. Previous studies have just discussed partial relationship among these relevant knowledge concepts rather than in an integrative manner. Thus, this research proposes a complete process-based model with four components: competitive strategy, knowledge strategy, implementation approach, and firm performance. Empirical results have shown positive relationships between any two consecutive components and useful insight for knowledge implementation practice.
    Date
    22. 3.2009 19:08:51
  18. Standard-Thesaurus Wirtschaft online (2009) 0.07 
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    Content
    "Die ZBW Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft stellt ab sofort den Standard-Thesaurus Wirtschaft (STW) in der aktuellen Version 8.04 in Deutsch und Englisch online (http://zbw.eu/stw) bereit. Es ist möglich, nach Deskriptoren und Zugangsvokabular zu suchen oder im Systematikbaum zu blättern. Per direktem Link gelangt man von dort in die ZBW-Datenbank ECONIS (www.econis.eu). Der Thesaurus ist zur Nutzung im Semantic Web aufbereitet: Jeder Deskriptor ist mit einem persistenten Identifier versehen, für dessen langfristige Stabilität die ZBW garantiert. Die Thesaurus-Beziehungen sind als Daten (RDFa) in die Webseiten eingebettet. Über einen STW-Webservice (http://zbw.eu/beta/ stw-ws) können zum Beispiel Synonyme für eine Erweiterung von Suchen automatisiert abgefragt werden."
    Date
    21.11.2011 11:41:22
    Footnote
    Vgl. auch: Die Neuerungen der Version 8.08 im Detail: http://zbw.eu/stw/versions/changes/about <http://zbw.eu/stw/versions/changes/about.de.html> Link zum Download der neuen Version 8.08: http://zbw.eu/stw/versions/latest/download/about STW Web Services: http://zbw.eu/beta/stw-ws Pressebilder: http://www.zbw.eu/presse/pressemitteilungen/docs/2011_11_17-images.htm
  19. Hehl, H.: Ein Linksystem zur Integration von Literatursuche und Literaturbeschaffung : Medline-LINK (2000) 0.07 
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    Abstract
    Die durch das WWW gegebenen Möglichkeiten, von den Suchergebnissen einer Datenbank über Hyperlinks auf elektronische Volltexte zuzugreifen, einzelne Titel online zu bestellen oder mit anderen Datenbanken oder Katalogen zu verknüpfen, werden mittlerweile von vielen Datenbankanbietern genutzt oder standardmässig angeboten. Das hier besprochene Linksystem weist dieselben Möglichkeiten auf und verbindet Suchergebnisse mit lokal verfügbaren elektronischen Zeitschriften bzw. mit Bibliotheks-Katalogen. Auch eine automatische Bestellfunktion ist vorhanden. Dieses auf Javascript basierende Linksystem verwendet ein einfaches, bisher aber noch wenig bekanntes Verfahren, bei dem jeweils die gesamte Ergebnisliste einer Datenbank (50 bis 200 Titel) in das Texteingabefeld eines Formulars eingefügt und dann weiter mit Javascript bearbeitet wird. Vorteilhaft ist die gross Anpassungsfähigkeit des Programms an die speziellen oder sogar individuellen Bedürfnisse. Medline-LINK wendet dieses Linkverfahren auf die besonders effiziente und zudem entgeltfreie Datenbank PubMed an. In dieser Testversion bilden die von der UB Regensburg abonnierten E-Zeitschriften zusätzlich eines großen Teils von elsevier-Zeitschriften den Grundbestand der zu verknüpfenden Zeitschriften. Über die dynamisch ermittelte ISSN kann die Verbindung von der Ergebnisanzeige zu den Bestandsanzeigen des BVB und GBV hergestellt werden. Die automatische Bestellfunktion wird am Beispiel des Fernleihbestellformulars der UB Regensburg demonstriert
    Date
    22. 6.2000 13:23:51
    Object
    Medline-LINK
  20. Hu, D.; Kaza, S.; Chen, H.: Identifying significant facilitators of dark network evolution (2009) 0.07 
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    Abstract
    Social networks evolve over time with the addition and removal of nodes and links to survive and thrive in their environments. Previous studies have shown that the link-formation process in such networks is influenced by a set of facilitators. However, there have been few empirical evaluations to determine the important facilitators. In a research partnership with law enforcement agencies, we used dynamic social-network analysis methods to examine several plausible facilitators of co-offending relationships in a large-scale narcotics network consisting of individuals and vehicles. Multivariate Cox regression and a two-proportion z-test on cyclic and focal closures of the network showed that mutual acquaintance and vehicle affiliations were significant facilitators for the network under study. We also found that homophily with respect to age, race, and gender were not good predictors of future link formation in these networks. Moreover, we examined the social causes and policy implications for the significance and insignificance of various facilitators including common jails on future co-offending. These findings provide important insights into the link-formation processes and the resilience of social networks. In addition, they can be used to aid in the prediction of future links. The methods described can also help in understanding the driving forces behind the formation and evolution of social networks facilitated by mobile and Web technologies.
    Date
    22. 3.2009 18:50:30

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